1、Designation:D467302(Reapproved 2008)Standard Classification System forAcrylonitrileButadieneStyrene(ABS)Plastics and AlloysMolding and Extrusion Materials1This standard is issued under the fixed designation D4673;the number immediately following the designation indicates the year oforiginal adoption
2、 or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope*1.1 T
3、his classification system covers only ABS materialsand ABS alloys suitable for injection molding and extrusion.Some of these compositions may also be suitable for compres-sion molding.Recycle ABS and alloys will be addressed in aseparate standard.1.2 This classification system is not intended for th
4、e selec-tion of materials,but only as a means of calling out materialsto be used in the manufacture of parts.Materials are to beselected by personnel with expertise in the plastics field wherethe economics,the environment to be encountered,the inherentproperties of the materials,the part design,the
5、part perfor-mance required,and the manufacturing process to be employedall enter into the selection.1.3 The properties included in this classification system arethose required to identify the compositions covered.There maybe other requirements necessary to identify particular charac-teristics import
6、ant to specialized applications.These will beagreed upon between the user and the supplier by using thesuffixes given in Section 5.1.4 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.5 The following precautionary caveat pertai
7、ns only to thetest methods portion,Section 12,of this classification system:This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the ap
8、plicability of regulatorylimitations prior to use.NOTE1This classification system and ISO 2580 are technicallyequivalent for those tests contained in both standards.2.Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD618 Practice
9、 for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD648 Test Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise PositionD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Mater
10、i-alsD883 Terminology Relating to PlasticsD1003 Test Method for Haze and Luminous Transmittanceof Transparent PlasticsD1525 Test Method for Vicat Softening Temperature ofPlasticsD1999 Guide for Selection of Specimens and Test Param-eters from ISO/IEC Standards(Withdrawn 2000)3D3641 Practice for Inje
11、ction Molding Test Specimens ofThermoplastic Molding and Extrusion MaterialsD3892 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic Materi-alsD5630 Test Method for Ash Content in PlasticsE105 Practice for Probability Sampling of Materials2.2 ISO Standards:4
12、ISO/DIS 75 Plastics and EboniteDetermination of Tem-peratures of Deflection under LoadISO 179 PlasticsDetermination of Charpy Impact Strengthof Rigid MaterialsISO 291 PlasticsStandard Atmosphere for Conditioningand TestingISO/DIS 294 PlasticsInjection Moulding Test Specimen1This classification syste
13、m is under the jurisdiction ofASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved Dec.15,2008.Published December 2008.Originallypublished in 1996.Last previous edition approved in 2002 as D467302.DOI:10.1520/D4673-0
14、2R08.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is ref
15、erenced onwww.astm.org.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1
16、of Thermoplastics MaterialsISO 306 PlasticsDetermination of Vicat Softening Tem-peratureISO/DIS 527,Parts 1 and 2,PlasticsDetermination ofTensile PropertiesISO 2580 Acrylonitrile/Butadiene/Styrene(ABS)Mouldingand Extrusion Materials,Part 2ISO 3167 Preparation and Use of Multipurpose Test Speci-men3.Terminology3.1 DefinitionsDefinitions of technical terms used in thisclassification system are in accordance with TerminologyD883.4.Classification4.1 ABS materials,based on three or more monomers,areg
